target/i386: Reduce DisasContext.flags to uint32_t

The value comes from tb->flags, which is uint32_t.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-21-richard.henderson@linaro.org>
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 7e296b3..ca7f0a8 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -105,7 +105,7 @@
     int jmp_opt; /* use direct block chaining for direct jumps */
     int repz_opt; /* optimize jumps within repz instructions */
     int mem_index; /* select memory access functions */
-    uint64_t flags; /* all execution flags */
+    uint32_t flags; /* all execution flags */
     int popl_esp_hack; /* for correct popl with esp base handling */
     int rip_offset; /* only used in x86_64, but left for simplicity */
     int cpuid_features;